1. Which item represents a number that identifies the user at the most fundamental level?

2. Which item represents the program that provides the user's command-line prompt?

3. Which item or file represents the location of the local group information?

4. Which item or file represents the location of the user's personal files?

5. Which item represents a number that identifies the group at the most fundamental level?

6. Which item or file represents the location of the local user account information?

7. What is the fourth field of the /etc/passwd file?